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A067531 as a simple table

na(n)
15
26
37
413
515
616
719
821
927
1031
1133
1235
1343
1451
1557
1661
1765
1873
1977
2087
2193
22103
23105
24109
25111
26135
27139
28141
29143
30151
31155
32161
33165
34177
35181
36183
37185
38189
39193
40199
41201
42203
43215
44229
45231
46237
47241
48245
49267
50271
51275
52283
53285
54287
55313
56321
57335

[5,6,7,13,15,16,19,21,27,31,33,35,43,51,57,61,65,
 73,77,87,93,103,105,109,111,135,139,141,143,151,
 155,161,165,177,181,183,185,189,193,199,201,203,
 215,229,231,237,241,245,267,271,275,283,285,287,
 313,321,335]